Defensive publication



T {(9 i c 3 DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Publishedat the request of the applicant or owner in accordance with the Noticeof Apr. 11, 1968, 849 0.G. 1221. Identification is by serial number ofthe application and the heading indicates the number of pages ofspecification, including claims, and of sheets of drawing contained inthe application as originally filed, The file of this application isavailable to the public for inspection; reproduction may be purchasedfor 30 cents per sheet.

Applications published under the Defensive Publication Program have notbeen examined as to the merits of alleged invention. The Patent Oflicemakes no assertion as to the novelty of the disclosed subject matter.

PUBLISHED APRIL 15, 1969 775,574 PLASTICIZED TOBACCO SMOKE FILTER GeorgeP. Touey and 'Cephas H. Sloan, both of R0. Box 511, Kingsport, Tenn.37662 Continuation of abandoned application Ser. No. 659,024, Aug. 8,1967. This application Oct. 14, 1968. Published Apr. 15, 1969 Class131-267 No Drawing. 15 Pages Specification A tobacco smoke filtercontaining a rapid bonding plasticizer blend of glyceryl triacetate anda glycol ether wherein the glyceryl triacetate content ranges from 99%to 80% and the glycol ether is selected from the group consisting ofdi-, tri-, and tetraethylene glycol.

